Polished Marillana Conglomerate MC108 dendrite Quartz crystal cavity

Quartz crystal cavity

From near Tamworth

Approximate dimensions at widest points 90 mm  x 55 mm  x 40 mm thick

From near Norseman

It does occur in the same geological "Marra Mamba Iron Formation"

Polished Marillana Conglomerate MC108 dendrite Quartz crystal cavityMC108 Marillana Conglomerate rough rock, cut and polished on one side with a natural back. Dimensions at widest points approx. 165 mm x 100 mm x 65 mm thick. Weight is 1,251 grams. From Marillana station in the Pilbara region of Western Australia. Conglomerate is a sedimentary rock consisting of individual pebbles (clasts) within a finer grained matrix that have become cemented together. Conglomerates are a very common rock type that occur in numerous